Raymarine a75 Operation Instructions

WhenconnectedtoaLegacy
orainternalTraditionalsonar
moduletheautomaticgain
has3modes.
Wheninmanualmodethe
sliderbarcontrolisshown
regardlessofconnected
sonarmoduletype.
Note:SideVision
TM
channelsdonotuseonscreen
GaincontrolsTheGainsettingcanbefoundinthe
SensitivitySettingsmenu.
Enablinganddisablingon-screengain
controls
Youcanenableanddisabletheon-screengain
controlsbyfollowingthestepsbelow.
Onatouchscreenmultifunctiondisplay,withthe
relevantapplicationdisplayed.
1.SelectMenu.
2.SelectPresentation.
3.SelectGainControls.
SelectingGainControlswillswitchbetween
showingandhidingtheon-screencontrols.
Note:Whentheon-screenGaincontrolsareset
toHiddenthentheGainsettingscanbeaccessed
directlyfromtheapplicationmenu:Menu>Gain.
Adjustinggainmanuallyusingon-screen
controls
1.Selecttheon-screenGaincontrollocatedonthe
lefthandsideoftheshnderapplication.
2.SelecttheAutoboxtoswitchbetweenAutoand
Manualgain.
3.WithAutodeselected,selectandholdtheSlider
andmoveLefttodecreasevalueorRightto
increasevalue.
Settingtheautogainmodeusingthe
on-screencontrols
1.Selecttheon-screenGaincontrollocatedonthe
lefthandsideoftheshnderapplication.
2.SelecttheAutoboxsothatatickisdisplayed
inthebox.
3.SelecttherequiredAutoGainMode.
Adjustingshndergainusingthemenu
Theshndergainsettingcanbeaccessedfromthe
shndermenu.
Fromtheshnderapplication:
1.SelectMenu.
2.SelectSensitivitySettings.
3.SelectGain.
TheGainadjustdialogisdisplayed
4.Adjustthegaincontroltotherequiredsetting,or
5.SelectAuto.
AtickisdisplayedintheAutoboxtosignify
automaticgainisenabled.
Settingautogainmodeusingthemenu
WhenusingaLegacysonarmoduleoraTraditional
internalsonarmodule3AutoGainmodesare
available.TheAutoGainmodecanbesetby
followingthestepsbelow.
FromtheFishnderapplicationmenu:
1.SelectSensitivitySettings.
2.SelectAutoGainMode.
3.Selecttherequiredautogainmode.
Settinganautogainoffset
WhenconnectedtoaCPx70seriessonarmodule
theAutogaincanbeoffsetby+/–50%.
FromtheSensitivitySettingsmenu:
1.SelectGain.
2.EnsureAutoisselected.
3.Adjusttheslidercontroltotherequiredvalue.
Thescrollingimagewillnowtracktheautomatic
settingbytheoffsetvaluespecied.
Intensity
WhenconnectedtoaCPx70seriessonarmodule
theIntensitycontrolisavailable.Sonarmodules
usedifferentcolorstodeterminethestrengthofan
echo.Youcanadjustthecolorintensitymanually
between0%and100%orsetittoautomatic.When
Intensityissettoautomaticthesettingcanbeoffset
by+/-50%.
TheIntensitycontrolsetsthelowerlimitforthe
strongestechocolor.Allechoeswithasignal
strengthabovethisvaluearedisplayedinthe
strongestcolor.Thosewithaweakervalueare
dividedequallybetweentheremainingcolors.
•Settingalowvalueproducesawidebandforthe
weakestcolor,butasmallsignalbandforthe
othercolors.
•Settingahighvaluegivesawidebandforthe
strongestcolor,butasmallsignalbandforthe
othercolors.
OnscreenIntensitycontrol
TheonscreenIntensitycontrolisavailablewhen
connectedtoaCPx70seriessonarmodule.
Selectingtheonscreencontrolenablesyoutoadjust
thesettingasrequired.
TheAutoIntensitycanbe
offsetby+/-50%
Wheninmanualmodethe
sliderbarcontrol
AdjustingtheIntensity
ToadjusttheIntensitycontrolonaCPx70series
sonarmodulefollowthestepsbelow.
FromtheFishnderapplication:
1.SelectMenu.
2.SelectSensitivitysettings.
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LightHousemultifunctiondisplayoperationinstructions

Raymarine a75 Specifications

General

Brand	Raymarine
Model	a75
Category	Marine Equipment
Language	English